IR study of hydrogen bonding in novel liquid crystalline epoxy/DGEBA blends

被引：15
|
作者：
Lee, JY [1 ]
Jang, J [1 ]
机构：
[1] SEOUL NATL UNIV,COLL ENGN,DEPT CHEM TECHNOL,SEOUL,SOUTH KOREA
来源：
POLYMER BULLETIN | 1997年 / 38卷 / 04期
关键词：
D O I：
10.1007/s002890050071
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The hydrogen bonding of LCE/DGEBA blend was studied using FT-IR. IR spectra of hydroxyl region and carbonyl region were investigated according to the content of LCE. IR spectra of LCE/DGEBA blend before and after curing were compared. Most hydroxyl group in DGEBA rich blends formed intermolecular or intramolecular hydrogen bonding after curing, while free hydroxyl group was present in LCE rich blends. Intramolecular hydrogen bonding was popular in DGEBA rich blends due to the conformational reason. Most carbonyl group was hydrogen bonded with hydroxyl or amine group after curing and the fraction of hydrogen bonded carbonyl was high in DGEBA rich blends.
引用
收藏
页码：439 / 445
页数：7
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